When calculus teacher struggles with a basic integral

Поділитися
Вставка
  • Опубліковано 29 сер 2021
  • Yup, after 3000+ videos, this still happens to me regularly.
    Channel members can watch the full version here: • (extended, uncut, memb...
    Sucessful version: • Integral of sin^2(x) b...
    -----------------------------------------------------
    👉 Click here to subscribe: bit.ly/bprpfast
    👉 Here's my Instagram: / blackpenredpen
    🛍 Shop math t-shirt & hoodies: bit.ly/bprpmerch
    💪 Become a member for only $0.99/month & be the first to watch all my unlisted videos: bit.ly/bprpfastjoin
    💡 Check out Brilliant for more challenging math problems: brilliant.org/bprp/
    -----------------------------------------------------
    bprp fast

КОМЕНТАРІ • 133

  • @user-pt9ke1tg6m
    @user-pt9ke1tg6m 2 роки тому +347

    Timestamps:
    0:01 - Solving
    0:10 -1st Pause
    0:15 -2nd Pause
    0:16 -3rd Pause
    0:18 -4th Pause
    0:20 -5th Pause
    0:22 -Epic Sigh
    0:24 -Was almost there
    0:33 -Reattempt
    0:40 -Pause
    0:45 -Again pause
    0:52 - And then.... Restart
    0:54 -Epic Pause
    0:55 -Give up

    • @kingbeauregard
      @kingbeauregard 2 роки тому +5

      It's like Stations Of The Cross, except I don't hate this.

    • @user-pt9ke1tg6m
      @user-pt9ke1tg6m 2 роки тому +3

      Omg thanks bprp for pinning this! I feel honored 🎁😁

    • @bprpfast
      @bprpfast  2 роки тому +28

      @@user-pt9ke1tg6m you were the first one to give the time stamps. So thank you for that. And thanks to everyone else who also gave the timestamps.

    • @theplant4046
      @theplant4046 7 місяців тому +1

      idk whether you are joking or not.
      but if you don't; he didn't *give up,* he just realized that this is not how algebra works -1/4(e^2ix-2x+e^-2ix) ≠ -1/2x(e^2ix+e^-2ix)

    • @theplant4046
      @theplant4046 7 місяців тому

      but regardless you deserve a pin by him :D

  • @MathAdam
    @MathAdam 2 роки тому +294

    I can't sleep. Every time I close my eyes, I hear Steve saying "This time that..." and sighing.

  • @rubenverg
    @rubenverg 2 роки тому +191

    this times that is gonna be positi-
    positive-
    positive one over fo-
    positive one over two x
    * internal crying *

  • @MathAdam
    @MathAdam 2 роки тому +200

    Timestamps for you:
    0:07 This times that is going to be...
    0:14 This...
    0:16 This...
    0:17 This times that is go...
    0:18 This times that is going to be...
    0:21 [Heavy sigh]
    0:24 This times that is going to be positive 1 over 4....
    0:33 This times that is going to be positive 1 over 2 x and the rest is what, well have a look right here. This right...
    0:44 This times that is going to be pos....
    0:47 Well, this times that is going to be positive 1 over 2 x and then... yeah.
    0:55 This times that is going to be po...
    0:59 [Whispers] This times that...that...that
    1:02 [Exasperated sigh]
    1:03 Whew!
    1:13 [Exits, chased by a bear]
    You're welcome!

  • @arjunsurya3628
    @arjunsurya3628 2 роки тому +129

    I can feel the pain. It's just same as reading your history notes and forgetting on the exam day.

  • @dqrksun
    @dqrksun 3 роки тому +105

    1:07 Me looking at my math paper

    • @e-to-the-power-x
      @e-to-the-power-x 2 роки тому +3

      The video was uploaded just an hour ago how did you comment 2 weeks ago?!?!

    • @dqrksun
      @dqrksun 2 роки тому

      @@e-to-the-power-x Magic😛

    • @e-to-the-power-x
      @e-to-the-power-x 2 роки тому

      Com'on, tell me

    • @dqrksun
      @dqrksun 2 роки тому +4

      @@e-to-the-power-x There are 2 methods to do it:
      Method 1:Get a superhydrophobic knife and cut a water zoom inside into atomic scale, find a arbitrary nucleus and fina a proton. Look at its upper quark the should be a omg particle sitting on the bottom quark and you should see a integral on the omg particle. Go back the 1750 by zooming into planck scale. Ask leonhard euler where is your sketch of the basel problem. Scan the deoxyribonucleic acid on the paper and come back the 2021. You should have the ability to comment before video upload then.
      Method 2: Get membership
      I used method 2

    • @e-to-the-power-x
      @e-to-the-power-x 2 роки тому +1

      @@dqrksun I would go by method 1

  • @livingcodex9878
    @livingcodex9878 2 роки тому +49

    00:08 this × that is going to be positive
    00:15 this
    00:16 this
    00:17 this × that is guh
    00:19 this × that is going to be pah
    00:21 *intense inhaling*
    00:22 *intense exhaling*
    00:24 this × that is going to be positive 1/4 tss
    00:33 this × that is going to be positive 1/2 x and then the rest we'll have what? Well, have a look right here: This right tss
    00:44 this × that is going to be pos
    00:47 Well, this × that is going to be positive 1/2 x and then... Yeah.
    00:55 this × that is going to be po
    00:59 *intense thinking*
    01:03 phew
    01:06 *depression*

  • @perappelgren948
    @perappelgren948 2 роки тому +52

    So great! It happens sooner or later to all of us teaching math 😀 That blank mind, being unable to understand what we ourselves wrote one half second ago. Great work once again!

  • @goodplacetostop2973
    @goodplacetostop2973 2 роки тому +42

    When you try your best, but you don't succeed

    • @ilickcatnip
      @ilickcatnip 2 роки тому +1

      Unfortunately he couldn't find a good place to stop.

    • @volodymyrgandzhuk361
      @volodymyrgandzhuk361 2 роки тому

      @@ilickcatnip that's not his phrase!

    • @anshkothary2658
      @anshkothary2658 8 місяців тому +2

      @goodplacetostop2973 when you get what you want but not what you need

  • @bprpfast
    @bprpfast  2 роки тому +51

    Could someone help me with the timestamps?

    • @haider1946
      @haider1946 2 роки тому +16

      0:10 (plus sign)
      0:14 this-
      0:16 this t-
      0:18 this time that is go-
      0:20 this times that is going to be pos-
      0:25 (doesn't know how to multiply fractions)
      0:39 this right-
      0:44 this times that is going to be pos-
      0:50 and then....... Yeah
      0:55 this times that is going to be pos-
      0:59 (gives up on life)
      There you go

    • @MathAdam
      @MathAdam 2 роки тому

      Did you have any idea what you'd start when you made this request?

  • @Peter_1986
    @Peter_1986 2 роки тому +16

    This is exactly what I feel like when I try to summarise my own math solutions to myself during video recordings - I will constantly stutter and freeze up, and have long silences where I have no idea what the hell to say, and completely lose the ability to organize my thoughts.

  • @rohitranjan4416
    @rohitranjan4416 2 роки тому +109

    Plot twist: It's actually the behind the scenes of a video wich bprp is preparing for

    • @omjoglekar3677
      @omjoglekar3677 2 роки тому +5

      why do i think i have already seen this video by him (i mean the integral using this method) ??
      ps : i am not channel member

    • @argengib5043
      @argengib5043 2 роки тому +3

      @@omjoglekar3677 I am too feeling like deja vu

    • @guidekungthgaming5854
      @guidekungthgaming5854 2 роки тому +2

      It's absolutely happen with everyone.And it's OKAY.😋

    • @haider1946
      @haider1946 2 роки тому +3

      It is actually the derivative of (sin(x))^2 but without the identity
      ua-cam.com/video/Si7QAyf5Pew/v-deo.html

    • @omjoglekar3677
      @omjoglekar3677 2 роки тому +1

      ah well now I am but wasn't then.

  • @leonhardeuler675
    @leonhardeuler675 2 роки тому +24

    The irony at 1:05 of revealing the tile reading "YOU got this" when you clearly don't got this.

  • @Peter_1986
    @Peter_1986 2 роки тому +13

    I feel like this every single time I take a test;
    simple questions become "sort of manageable", medium-hard questions become "difficult", and difficult questions become "impossible".

  • @m.isworld2562
    @m.isworld2562 2 роки тому +14

    we’ll have plus and then we get e^(-2xi)/-2i like so 0:00
    alright and as we (or you) can see, this times that is going to be positive *erases* 0:06
    *stops for a bit* 0:13
    this 0:14
    this (t) 0:15
    this times that is g- 0:17
    this times that is going to be 0:19
    *inhales* 0:20
    *exhales* 0:22
    this times that is going to be positive 1/4 (t) 0:25
    *erases again* 0:30
    this times that is going to be positive 1/2 x and the rest we have what? well have a look right here. This right (t) 0:33
    *erases* 0:40
    this times that is going to be pos- 0:44
    well this times that is gonna be positive 1 over 2 x and then 0:47
    yeah *erases* 0:51
    this times that is going to be pa- 0:55
    *bprpfast.exe freezing* 0:57
    *inhales* 1:02
    *phew* 1:03
    *quits* 1:04
    (im not sure if this is even accurate)

  • @bryanyong487
    @bryanyong487 2 роки тому +7

    This is what happened to me when I want to do a presentation in front of my class

    • @bprpfast
      @bprpfast  2 роки тому +1

      Hope you did fine.

    • @bryanyong487
      @bryanyong487 2 роки тому +1

      @@bprpfast Yes it did, thanks for concerning

  • @akolangto8225
    @akolangto8225 2 роки тому

    By this, we would appreciate the effort exerted by this man.

  • @RazorM97
    @RazorM97 2 роки тому

    This also happens to me. I usually take a break when it happens..

  • @ZiqoR
    @ZiqoR 2 роки тому

    When your brain decides to set himself on sleep mode... happened to me during courses, was reading the same line over and over without understand it.

  • @ranjitkalita3734
    @ranjitkalita3734 2 роки тому

    😂😂😂😂 very funny video man. First time laughed while watching maths video , Ha ha ha

  • @daddy_myers
    @daddy_myers 2 роки тому +2

    *Me whenever I'm solving integrals:*

  • @MuPrimeMath
    @MuPrimeMath 2 роки тому +8

    Man, this happens so often!

  • @SamTheFable
    @SamTheFable 2 роки тому

    You got this!

  • @kimcastro3844
    @kimcastro3844 2 роки тому +2

    Whether you're making a video or solving a math problem, there are just times where you can't go smoothly, no matter how good or experienced you are.

  • @khoanguyentrong7139
    @khoanguyentrong7139 25 днів тому

    Bro had a stroke doing this int

  • @dankking499
    @dankking499 2 роки тому +1

    bprp having a mental breakdown

  • @omjoglekar3677
    @omjoglekar3677 2 роки тому +5

    um bprp . . .. what do you recommend ? should i support you on patreon or become a youtube channel member (both channels (main and this one)) ??

    • @bprpfast
      @bprpfast  2 роки тому +2

      I will be grateful and appreciative for either one. Or simply by watching and “liking” my videos is just as great. 😃

  • @nimmira
    @nimmira 2 роки тому

    a Green tea session would do wonders :)

  • @closedaccount1934
    @closedaccount1934 2 роки тому +1

    i like this part 0:15

  • @tambuwalmathsclass
    @tambuwalmathsclass 2 роки тому +1

    You are making Math more fun 🤣🤣 #mood

  • @namanverma5503
    @namanverma5503 2 роки тому +5

    You seriously need to chill man
    Btw I appreciate your hard work 👍

  • @agabe_8989
    @agabe_8989 2 роки тому

    I like the part where he said "This times tha..."

  • @bangprob
    @bangprob 6 місяців тому

    "Why we still here, Just to suffer..."

  • @anujpandey2083
    @anujpandey2083 2 роки тому

    1:01 me after doing the same integral for the 3rd time but not able to find right answer

  • @mokouf3
    @mokouf3 2 роки тому

    I just can't stop laughing!

  • @jeremyglass4283
    @jeremyglass4283 8 місяців тому +2

    this is when you know it is time to take a break and go do something else.

    • @none_the_less
      @none_the_less 8 місяців тому

      Right, was trying to power through it and increasing his frustration. 🤣🤣🤣
      Math can get even the best of us.

  • @ashwinraj2033
    @ashwinraj2033 2 роки тому +1

    Plot Twist:- This happens to him in every video which he uploads. That's why We should respect him for his dedication!

  • @tejassingh.k9993
    @tejassingh.k9993 2 роки тому

    Love ur videos sir love from India ❤

  • @reidpattis3127
    @reidpattis3127 2 роки тому +2

    I’m going to make a 1 hour version of this. :)

  • @algemscivilengineering
    @algemscivilengineering 7 місяців тому

    It's not that easy to make youtube videos..that's why we must appreciate the efforts..

  • @yoav613
    @yoav613 2 роки тому

    The title should be: this times that...

  • @GenDominion
    @GenDominion 5 місяців тому

    bro lol😂😂

  • @braymysteriofan
    @braymysteriofan 8 місяців тому

    Shenron, I call upon thee!
    *Shenron is summoned*
    "I have been summoned, speak your wish"
    I wish to know what is this times that?
    "This times that is going to be... uhhh... okay this times that... um... I was never good at math, let me call Porunga"

  • @DS-wo4ji
    @DS-wo4ji 7 місяців тому

    Is it a hyperbolic function??

  • @prometheus7387
    @prometheus7387 2 роки тому +1

    This times that is going to be

  • @Harshit_Pro
    @Harshit_Pro 2 роки тому

    Behind the scene is unbelievable

  • @khoozu7802
    @khoozu7802 2 роки тому +1

    Next step: change e^2ix-e^-2ix to trigonometry function

  • @strangeranjan
    @strangeranjan 2 роки тому +3

    We're humans, we forget things & do mistakes.....

  • @mathevengers1131
    @mathevengers1131 2 роки тому

    I know this pain.

  • @mhah3851
    @mhah3851 2 роки тому +2

    Why don't u solve it by writing it as 1-cos2x whole / 2

  • @Plikso
    @Plikso 3 місяці тому

    Someone helps him, he is going to explode

  • @nikkisavya6251
    @nikkisavya6251 2 роки тому

    Circumference of circle is differentiation of its area??🤔🤔

  • @prashantlale4976
    @prashantlale4976 2 роки тому

    So this is the story behind very successful person!!

  • @ehess1492
    @ehess1492 2 роки тому

    Your problem here is that i don’t like to be on bottom, i like to be on top.

  • @bhavydugar6665
    @bhavydugar6665 2 роки тому

    Well you showed bravery because you did end the video otherwise it would’ve been an infinitely long video 😂😂

  • @MathSolvingChannel
    @MathSolvingChannel 2 роки тому

    haha, this happens sooooooooooooften when I record my own math videos :)

  • @NonTwinBrothers
    @NonTwinBrothers 2 роки тому

    He was caught not practicing 😳

  • @strw_skll
    @strw_skll 8 місяців тому

    happens

  • @mattial.1307
    @mattial.1307 2 роки тому

    There is a final answer?

  • @246Trinitrotoluene_
    @246Trinitrotoluene_ 7 місяців тому

    Can’t we simply take sin^2x as 1-cos2x/2? Then the integral will become very simple. It becomes 1/2 integral (1-cos2xdx)=1/2[x-sin2x/2]+C.

  • @sejalgandhi5320
    @sejalgandhi5320 7 місяців тому

    I know this is 2 years late; but whatever. What if BPRP used sin^2x+cos^2x=1 then sin^2x=1-cos^2x substitude that value then use half angle identity (1+cos2x)/2. This may be more efficient than using eulers constant.

    • @pro_alixx7025
      @pro_alixx7025 6 місяців тому

      Or he can just use U substitution and he will be done in 2mins

  • @_Xeto
    @_Xeto 2 роки тому

    What was the problem exactly? I didn’t get it :/. You were doing it correctly!

  • @jimmykitty
    @jimmykitty 2 роки тому

    Ha ha ha... that was awesome 😹

  • @nikhilgupta2297
    @nikhilgupta2297 2 роки тому

    It happens

  • @phlaelogaming7071
    @phlaelogaming7071 2 роки тому

    R u ok?

  • @anonymous1257
    @anonymous1257 2 роки тому +1

    IT IS VERY EASY MAN THE ANSWER SHOULD BE (x/2 -1/4sin2x + c) Sin^2x = (1-cos2x)/2 and proceed 🔥🔥😀

  • @peterchan6082
    @peterchan6082 2 роки тому +1

    Totally understandable . . . just a typical system halt of a mathematician at work, heehee !

  • @drobotk
    @drobotk 7 місяців тому

    "i positive tested for bovid" kinda vibes

  • @abu._.bakr117
    @abu._.bakr117 2 роки тому +1

    well i did finish the video 😅

  • @markobavdek9450
    @markobavdek9450 2 роки тому

    too hard to distribute

  • @Saransh_Tiwari69
    @Saransh_Tiwari69 2 роки тому

    That's what happened to me during exams😶😶😶

  • @jaloliddinzukhriddinov5820
    @jaloliddinzukhriddinov5820 2 роки тому +1

    Actually, you should take a rest and relax

  • @Nylspider
    @Nylspider 2 роки тому

    What we learned:
    This times that is going to be positive 1 over 2 x

  • @kujmous
    @kujmous 2 роки тому

    Buffer overload. Rebooting.

  • @e-learningtutor1351
    @e-learningtutor1351 2 роки тому +1

    Even i face this all the time...
    As i write in the note book i don't have the option to erase
    The only option for me would me to reshoot with the new one!!
    I understand 😀

  • @float_peach
    @float_peach 2 роки тому

    dOn’t wOrRY KIdZ, tHiS wiLl hElP yOU iN LIfE. YoU wiLL uSe tHIS ALL tHe tIMe

  • @klausolekristiansen2960
    @klausolekristiansen2960 2 роки тому

    If at first you don't succeed, try again. Then give up. No sense in making a complete fool of yourself.

  • @lazarusisaacng
    @lazarusisaacng 2 роки тому

    What's wrong? I look like there's not your style.😅

  • @anthonyatanasoff3703
    @anthonyatanasoff3703 2 роки тому

    Bprp: help how to English

  • @ILoveMaths07
    @ILoveMaths07 2 роки тому

    Do you have OCD?

  • @khalilalhuzari5729
    @khalilalhuzari5729 2 роки тому

    What is wrong is there anyone who can solve it, Me I'm also looking for it,!!?

  • @robertandersson1128
    @robertandersson1128 2 роки тому

    Китаец сломался

  • @user-yt2yr4rg3c
    @user-yt2yr4rg3c 2 роки тому

    😂😂😂

  • @krishnamishra7619
    @krishnamishra7619 2 роки тому +1

    We want bts video of this video

  • @muhaiminekhwan6381
    @muhaiminekhwan6381 2 місяці тому

    funny

  • @Mr.Ali_Ryuji
    @Mr.Ali_Ryuji 2 роки тому

    It's time for a rest hahaa.. Maybe get a short vacation for yourself. I used to compassionate about something then it happens like you LoL. Suddenly become bad at what I'm doing. Hahaha.

  • @Shreyas_Jaiswal
    @Shreyas_Jaiswal 2 роки тому

    Are you Korean?

    • @Peter_1986
      @Peter_1986 2 роки тому

      I believe that he is Chinese;
      he is fluent in Chinese, and his ethnicity is stated as "Chinese (Taiwanese)" on this page:
      everipedia.org/wiki/lang_en/blackpenredpen

  • @aMartianSpy
    @aMartianSpy 2 роки тому

    Too much math.
    Brain kaput.